Forget fingerprints - detectives will soon SNIFF out criminals: Technology identifies people by the odour of their hand

Forget fingerprints - detectives will soon SNIFF out criminals: Technology identifies people by the odour of their hand | Mail Online: "Researchers from Madrid have developed an electronic 'nose', pictured, that can sniff humans to prove their identity.They claim the system could one day replace fingerprints and iris scanning and have added they've managed to get the detection failure rate down to just 10 per cent"